Mrs. Grass
Mrs. Grass is an American soup brand best known for dried noodle soup containing its former signature Golden Flavor Nugget.
Last updated August 25, 2026
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Overview
Mrs. Grass is an American food brand associated primarily with dried noodle soup and instant soup mixes. Its roots trace to Sophie Dreifuss, later known as Sophie Grass, and her husband, Isaac Jerome Grass. The couple operated a delicatessen on Chicago's South Side beginning in 1901, living above the store. Sophie’s noodle soup became sufficiently popular among customers that the family moved into manufacturing and established the I.J. Grass Noodle Company in 1915 at 6027 Wentworth Avenue. The business expanded during the period from 1917 to 1925, reaching three locations, and developed from a neighborhood food enterprise into a substantial regional company. A major technical turning point came in 1939, when advances in food dehydration made it possible for the company to produce a dried noodle soup mix. This format extended shelf life and simplified preparation, helping distinguish Mrs. Grass from fresh or fully prepared noodle products. The brand’s identity became especially closely tied to a compact seasoning component placed inside the package. Known popularly as the “magic egg,” the item was a self-contained flavor nugget that dissolved during boiling and released oils and chicken bouillon into the soup. Under later Wyler’s ownership and marketing, it was referred to as the Golden Flavor Nugget. Family management remained central during the company’s independent period. Sophie and Isaac’s sons, A. Irving Grass and Sidney Grass, held senior positions, with Irving serving as president and Sidney as vice president and secretary. By the 1960s, the I.J. Grass Noodle Company was described as a multimillion-dollar business. The brand also developed a connection with children’s entertainment: during the 1950s, Mrs. Grass sponsored a Saturday-morning radio program featuring the space-travel adventures of a character called Super Noodle. The independent company’s corporate history changed in 1986, when Mrs. Grass was acquired by Borden. In 2001, after Borden sold its food division, the business was divided by product category: the soup business went to Heinz, while the noodle business went to American Italian Pasta Company. The Mrs. Grass soup name subsequently became commercialized through the Wyler’s brand within the Kraft Heinz portfolio. This means that Mrs. Grass is best understood today as a legacy soup brand rather than as the name of an independent operating company. The brand’s best-known product feature was discontinued around February 2016, when the Golden Flavor Nugget or “magic egg” was removed from the soup. The discontinuation became notable among longtime consumers because the dissolving nugget was not merely a flavoring component; it was also the product’s distinctive preparation ritual and a key part of its nostalgic identity. Mrs. Grass therefore occupies a continuing place in the history of American packaged soup through its Chicago family-business origins, early adoption of dehydrated soup technology, children’s radio sponsorship, corporate acquisitions, and highly recognizable flavor-delivery format.
History
Mrs. Grass developed from a Chicago delicatessen business established by Sophie Dreifuss and Isaac Jerome Grass in 1901. The couple lived above their store on the South Side, where Sophie’s noodle soup became a popular item. Demand encouraged the family to move beyond retail food service, and in 1915 they founded the I.J. Grass Noodle Company at 6027 Wentworth Avenue. The enterprise expanded to three locations between 1917 and 1925, establishing a manufacturing base for the family’s noodle products. The company’s most consequential product development followed advances in food dehydration. In 1939, it began producing a dried noodle soup mix, a format suited to pantry storage and quick preparation. Dehydration allowed the product to be distributed more widely than fresh soup or noodles while retaining a recognizable noodle-and-broth profile. Over time, the Mrs. Grass name became associated with a compact flavor component included inside the package. Consumers commonly called this component the “magic egg.” When placed in boiling water, it dissolved and released oils and chicken bouillon. Later descriptions under Wyler’s used the name Golden Flavor Nugget. The family continued to play a major role in management. Sophie and Isaac’s sons, A. Irving Grass and Sidney Grass, became senior officers, with Irving as president and Sidney as vice president and secretary. Isaac Grass died in October 1925, and Sophie Grass died in 1953 at the age of 74. By the 1960s, the I.J. Grass Noodle Company had become a multimillion-dollar business, indicating the scale reached by the formerly local family operation. Mrs. Grass also used radio sponsorship to build familiarity with younger consumers. During the 1950s, the brand sponsored a Saturday-morning children’s program featuring Super Noodle, a character whose adventures involved space travel. This association added an entertainment dimension to the brand and helped place the product within the family-oriented media environment of the period. Corporate ownership changed in 1986, when Borden acquired Mrs. Grass. In 2001, Borden’s sale of its food division resulted in a separation of the brand’s product interests: Heinz acquired the soup business, while American Italian Pasta Company acquired the noodle business. The soup brand later operated commercially through Wyler’s, which is part of the Kraft Heinz portfolio. Mrs. Grass consequently shifted from an independent family company to a legacy brand managed within larger packaged-food organizations. The Golden Flavor Nugget remained the defining feature of the soup for many consumers until its removal around February 2016. The change was significant because the nugget combined flavor delivery with a distinctive cooking experience: the consumer watched a solid item dissolve while preparing the soup. Its discontinuation marked the end of the most recognizable physical feature associated with classic Mrs. Grass noodle soup, although the brand continued as part of the Wyler’s commercial offering. The brand’s historical importance rests on its family-business origins, its early dried-soup manufacturing, its use of children’s radio promotion, and the enduring consumer memory of the magic egg.
- 2016
Golden Flavor Nugget discontinued
[1]The signature flavor nugget, popularly known as the magic egg, is discontinued around February.
- 2001
Food division assets divided
[1]Following Borden’s sale of its food division, Heinz acquires the soup business and American Italian Pasta Company acquires the noodles business.
- 1986
Acquired by Borden
[1]Borden acquires the Mrs. Grass business, ending its period as an independent family company.
- 1960
Company reaches multimillion-dollar scale
[1]By the 1960s, the I.J. Grass Noodle Company is described as a multimillion-dollar company.
- 1950
Super Noodle radio sponsorship
[1]During the 1950s, Mrs. Grass sponsors a Saturday-morning children’s radio program featuring the space-travel character Super Noodle.
- 1939
Dried noodle soup introduced
[1]Food-dehydration developments enable the company to make a dried noodle soup mix.
- 1917
Expansion begins
[1]The company begins an expansion period that leads to three locations by 1925.
- 1915
I.J. Grass Noodle Company founded
[1]The family opens its own noodle factory at 6027 Wentworth Avenue, creating the manufacturing foundation for the Mrs. Grass business.
- 1901
Grass family opens a Chicago delicatessen
[1]Sophie Dreifuss and Isaac Jerome Grass establish a delicatessen on Chicago’s South Side, where Sophie’s noodle soup becomes a popular offering.
Products and positioning
A nostalgic American packaged-soup brand centered on convenient dried noodle soup and a distinctive flavor nugget formerly included in each package.
Instant soup · 1939
Mrs. Grass dried noodle soup
The brand’s central product line consists of dried noodle soup mixes designed to be prepared by boiling in water. The format emerged after food-dehydration developments in 1939 and combined shelf-stable noodles with soup seasoning. Its best-known version was associated with a flavor nugget that dissolved during cooking and released oils and chicken bouillon. The soup later became commercialized through Wyler’s within the Kraft Heinz portfolio.
Soup flavor component
Golden Flavor Nugget
The Golden Flavor Nugget was a self-contained flavor element included with Mrs. Grass soup. Consumers often called it the magic egg. During preparation, the nugget dissolved in boiling water and released oils and chicken bouillon, giving the product a distinctive preparation ritual as well as its flavor contribution. The component was discontinued around February 2016 and is therefore no longer a current product feature.
Noodles · 1915
I.J. Grass noodles
The original family business manufactured noodle products before and alongside the development of dried noodle soup. The noodle operation was historically connected to the I.J. Grass Noodle Company, but the noodle assets were separated from the soup business after Borden’s food-division sale in 2001. The supplied references do not establish a current Mrs. Grass-branded noodle range.
Marketing campaigns
- 1950Super Noodle radio sponsorship
United States
During the 1950s, Mrs. Grass sponsored a Saturday-morning children’s radio program centered on the space-travel adventures of Super Noodle. The program connected the soup brand with children’s entertainment and family listening.
Outcome. The sponsorship is recorded as part of the brand’s mid-century marketing history; the available reference does not provide audience or sales results.
Brand decisions
2016
Golden Flavor Nugget removedGeneration changeBackground
The dissolving flavor nugget had become the brand’s most recognizable product feature and was popularly known as the magic egg.
Action taken
The Golden Flavor Nugget was discontinued around February 2016.
Aftermath
The soup lost its signature preparation element, prompting consumer disappointment and strengthening the product’s nostalgic legacy.
2001
Soup and noodle businesses separatedM&ABackground
Borden sold its food division, creating separate ownership outcomes for the Mrs. Grass soup and noodle interests.
Action taken
Heinz acquired the soup business, while American Italian Pasta Company acquired the noodles business.
Aftermath
The soup name was subsequently commercialized through Wyler’s within the Kraft Heinz portfolio, while the noodle business followed a separate corporate path.
1986
Borden acquisitionM&ABackground
Mrs. Grass had operated as a family-founded independent business since the early twentieth century.
Action taken
Borden acquired the Mrs. Grass business.
Aftermath
The brand entered a larger packaged-food company and later became subject to further portfolio changes.
Sources1 sources
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